Watauga Lake lake and shoreline

About Watauga Lake

Tennessee

Watauga Lake is managed by Tennessee Valley Authority (TVA). Lake Insights displays its latest available elevation from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. Published reference elevations are listed below.

Lake Status

10.94 feet below full pool

−10.94 ft vs full pool

7-day trend
Falling
7-day change
Down 0.42 ft
30-day change
Down 2.73 ft
Last updated
1 hour ago

Watauga Lake is currently 10.94 feet below full pool and has fallen slightly over the past week. Readings show continued drawdown relative to full pool, with levels trending lower over the past week.

Watershed drought conditions

Carter County, TN · surrounding county from lake location

Abnormally Dry

The surrounding county is abnormally dry, which is not official drought.

Severity

NoneExtreme

Weekly trend

Worsening

Compared with last week

Official drought

No

Current conditions are classified as Abnormally Dry (D0), which is not considered official drought.

U.S. Drought Monitor · map date Sep 15, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Carter County, TN

Key Facts

Waterbody / project type

Reservoir

Official purposes

Flood Risk Reduction · Hydroelectric · Recreation · Water SupplySource: National Inventory of Dams

Full pool

1960.00 ft

Current-level source

NOAA / National Weather Service — Advanced Hydrologic Prediction Service

Project / NID identifier

Watauga Dam · TN01903

Dam / watershed (NID design values)

Static design values from a confidently matched National Inventory of Dams record — not live gage readings.

Normal storage
569,121 acre-ft
Max storage
751,557 acre-ft
Surface area at normal pool
6,440 acres
Drainage area
468 sq mi
Spillway capacity (design)
54,000 cfs
Dam structure
Rockfill · 332 ft high · completed 1948
Hazard classification
High
Safety & inspection
last inspection Mar 27, 2025

National Inventory of Dams · matched record: Watauga Dam (TN01903)

How this lake is operated

  • Documented project purposes (National Inventory of Dams): Flood Risk Reduction, Hydroelectric, Recreation, Water Supply.

Why the level can change

General factors for reservoirs like this

These are common influences for this type of lake. They do not identify the cause of a specific current change unless an operator update confirms it.

  • Rainfall & inflows

    Rain and upstream river inflows can raise reservoir levels, especially after storms.

  • Downstream releases

    When an operator releases water through a dam, reservoir storage can fall and downstream flows can rise.

  • Flood-risk operations

    Some projects store or release water under flood-risk rules when conditions require it.

  • Water supply

    Some reservoirs support municipal, industrial, irrigation, or regional water-supply needs.

  • Hydropower

    Hydropower projects may pass water through turbines when generating electricity.

  • Seasonal weather

    Dry periods, heat, evaporation, and seasonal rainfall patterns can affect storage over weeks and months.

Published reference elevations

Full pool
1960.00 ft

Published reference elevation. Not necessarily a fixed year-round target for every project.

Current data source

Managing authority: Tennessee Valley Authority (TVA)

Observation source used by Lake Insights: NOAA / National Weather Service — Advanced Hydrologic Prediction Service

Who manages the lake and who publishes the reading Lake Insights displays can differ. Lake Insights does not invent a source label from the managing authority alone.

General education

Shared background — not lake-specific facts

Lake Insights aggregates water level information from authoritative public sources such as the U.S. Army Corps of Engineers, NOAA, TVA, Bureau of Reclamation, power utilities, and other official lake operators. We preserve historical observations, calculate trends, and present lake conditions in a consistent format. For NOAA / National Weather Service — Advanced Hydrologic Prediction Service, we link to the official source whenever it is available. Lake Insights does not predict future lake levels unless an official forecast has been published by the managing authority.

How we source lake data · Glossary

Common questions about Watauga Lake

Who manages Watauga Lake?
Watauga Lake is managed by Tennessee Valley Authority (TVA). Lake Insights reports published gauge readings; it does not operate the waterbody.
What is full pool at Watauga Lake?
The published full-pool elevation for Watauga Lake is 1960.00 ft. Full pool is a published reference elevation — not a prediction of today’s level.
Where does Lake Insights get the level reading for Watauga Lake?
Lake Insights displays the latest available elevation for Watauga Lake from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. The managing authority (Tennessee Valley Authority (TVA)) may differ from the agency that publishes the observation used on this page.
What are the documented purposes of Watauga Lake?
Documented purposes for Watauga Lake (National Inventory of Dams): Flood Risk Reduction, Hydroelectric, Recreation, Water Supply.

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